Finding the Fourth Proportional to 227,587.75, 314,071.10 and 126,985.75
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Solution
The fourth proportional to 227,587.75, 314,071.10 and 126,985.75 is: 175,240.34
Step by Step Solution
- Step 1: Write the proportion equation
227,587.75 : 314,071.10 = 126,985.75 : x - Step 2: Convert to fraction form
227,587.75/314,071.10 = 126,985.75/x - Step 3: Cross multiply
227,587.75x = 314,071.10 × 126,985.75 - Step 4: Simplify right side
227,587.75x = 39,882,554,186.83 - Step 5: Solve for x
x = 39,882,554,186.83/227,587.75 - Step 6: Final answer
x = 175,240.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.